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A 26-year-old female asked:

My heart rate drops to 40 when sleeping or sitting for 2-3 hours . i have no other symptoms . i do exercise for about 30 mins daily and during exercise heartbeat reaches to maximum 130 bpm. is it normal?

2 doctor answers2 doctors weighed in
Dr. Philip Schwarzman
Emergency Medicine 46 years experience
While a rate of 40 is low since it occurs during sleep and prolonged rest and you have no symptoms, there is nothing to worry about.
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It is well-known that “conditioning” occurs in individual who exercise vigorously on regular basis. One consequence of such “conditioning” is a decrease in the resting heart rate. Unless there other abnormalities on examination, reassurance is in order.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated May 13, 2021

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